Capacitor papers of flash-spun synthetic pulp fibers

Details Capacitor papers of flash-spun synthetic pulp fibers Capacitor papers of flash-spun synthetic pulp fibers

1991-08-26

1992-10-27

Chin, Peter

Paper making and fiber liberation

Processes and products

Electrical or magnetic product characteristic

162146, 162148, D21H 2712

Patent

active

051586479

ABSTRACT:
Capacitor grade dielectric tissue and electrolytic separator paper are manufactured on a papermaking machine from flash-spun pulp fibers of a synthetic resin such as polypropylene. The flash-spun synthetic pulp fibers are highly fibrillated and microporous and may be combined with unbleached sulfate woodpulp fibers to produce highly absorbent capacitor tissue and separator paper having chemical, physical and electrical properties which conform to all the essential requirements prescribed by ASTM standards.

REFERENCES:
patent: 3523061 (1970-08-01), Purvis
patent: 3532800 (1970-10-01), Wyly et al.
patent: 4519873 (1985-05-01), Amano et al.
patent: 4833011 (1989-05-01), Horimoto et al.
patent: 4992141 (1991-02-01), Sullivan

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